/* LibTomCrypt, modular cryptographic library -- Tom St Denis
 *
 * LibTomCrypt is a library that provides various cryptographic
 * algorithms in a highly modular and flexible manner.
 *
 * The library is free for all purposes without any express
 * guarantee it works.
 *
 * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
 */
#include <logicalaccess/plugins/crypto/tomcrypt.h>

/**
  @file crypt_find_cipher.c
  Find a cipher in the descriptor tables, Tom St Denis
  */

/**
   Find a registered cipher by name
   @param name   The name of the cipher to look for
   @return >= 0 if found, -1 if not present
   */
int find_cipher(const char *name)
{
    LTC_ARGCHK(name != NULL);
    LTC_MUTEX_LOCK(&ltc_cipher_mutex);
    for (int x = 0; x < TAB_SIZE; x++)
    {
        if (cipher_descriptor[x].name != nullptr &&
            !XSTRCMP(cipher_descriptor[x].name, name))
        {
            LTC_MUTEX_UNLOCK(&ltc_cipher_mutex);
            return x;
        }
    }
    LTC_MUTEX_UNLOCK(&ltc_cipher_mutex);
    return -1;
}

/* $Source$ */
/* $Revision$ */
/* $Date$ */